The spilled oil does not have a path to reach Lake Michigan or any other surface water, according to an incident report.

"The oil released to
the ground was approximately 70 gallons, which is greater than the reporting
requirements," the report read.

The leak was discovered around 6:30 p.m. at the Covert Township plant, which is located on the shores of Lakes Michigan about five miles from South Haven. The leak was located on an EX-07 Safeguards Transformer 1-1 and sprayed outside the transformer containment berm.

"The oil was not released to any surface water and has no
drain path to reach any surface water," according to the report.

Nuclear Regulatory
Commission resident inspectors, the State of Michigan and Van Buren County were
all notified, in accordance with the site spill plan.